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ACT Mathematics Videos 164 videos
ACT Math: Coordinate Geometry Drill 1, Problem 1. Which inequality is expressed by the number line?
ACT Math: Intermediate Algebra: Drill 3, Problem 1. Find the fifth number in the series.
ACT Math: Pre-Algebra Drill 1.2. What proportion of Jenna's day is spent Wii-swimming?
ACT Math 4.4 Intermediate Algebra 351 Views
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Description:
ACT Math: Intermediate Algebra Drill 4, Problem 4. Add these together.
- Intermediate Algebra / Complex numbers
- Product Type / ACT Math
- Foreign Language / Spanish Subtitled
- Foreign Language / Arabic Subtitled
- Foreign Language / Korean Subtitled
- Foreign Language / Chinese Subtitled
- Number and Quantity / Perform arithmetic operations with complex numbers
- Number and Quantity / Use complex numbers in polynomial identities and equations
- Number and Quantity / Perform arithmetic operations with complex numbers
- Number and Quantity / Use complex numbers in polynomial identities and equations
- Intermediate Algebra / Complex numbers
Transcript
- 00:02
Time for your daily dose of shmoop...this won't hurt a bit.
- 00:06
Add: quantity 4 minus 5i plus quantity 7 plus 3i.
- 00:11
And here are the potential answers...
- 00:15
OK, well this is actually a pretty simple question...
- 00:17
...the parentheses are thrown in here just to confuse you.
Full Transcript
- 00:20
So... uh... we can give them the old heave-ho.
- 00:23
Now we have 4 minus 5i plus 7 plus 3i...
- 00:26
...which is 11 minus 2i.
- 00:28
There we go. So boom! The answer is B.
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